Humans might not be walking on Earth today if not for the ancient fusing of two microscopic, single-celled organisms called prokaryotes, NASA-funded research has found. By comparing proteins present ...

Washington - Life on Earth went from single microscopic cells to blue whales and giant sequoias in 3,5-billion years in two distinct bursts tied to the planet's geological evolution, according to a ...

When two organisms typically do not interbreed with one another, they are considered different species. But what are the reproductive barriers that isolate one population from another? Hear the ...

A dihybrid cross describes a mating experiment between two organisms that are identically hybrid for two traits. A hybrid organism is one that is heterozygous, which means that is carries two ...

The new study, led by pharmaceutical microbiology researcher Dirk Hoffmeister, from Friedrich Schiller University Jena, ...

From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of ...

Like humans, bacteria live together in communities, sometimes lending a hand — or in the case of bacteria, a metabolite or two — to help their neighbors thrive. Understanding how bacteria interact is ...

Andrew Taylor-Robinson does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

From tiny viruses and bacteria, unrecognized for millennia, to blue whales weighing 200 tons, and fungi that spread for hundreds of hectares underground, the diversity and extent of life on Earth is ...

Aristos is a Newsweek science and health reporter with the London, U.K., bureau. He is particularly focused on archaeology and paleontology, although he has covered a wide variety of topics ranging ...

Japan's hot springs reveal how Earth's organisms survived the 'Great Oxidation Event' 2.3 billion years ago: Study A team ...